nord NORDAC FLEX SK 200E Series User Manual page 143

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Ramp smoothing
P106
(ramp rounding-off)
0 ... 100 % This parameter rounds off the acceleration and deceleration ramp. This is necessary for
applications where gentle but dynamic speed change is important.
{ 0 }
Rounding off is carried out for every setpoint change.
The value to be set is based on the set acceleration and deceleration time, however values <10%
have no effect.
The following then applies to the entire acceleration or deceleration time, including rounding off:
t
tot ACCELERATION TIME
t
tot DECELERATION TIME
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Note:
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BU 0200 en-US-4920
=t
P102
=t
P103
each
Output
10 – 100% of P102
frequency
Setpoint
frequency
P102
Under the following conditions, ramp rounding-off is switched off or replaced by a
linear ramp with extended times:
• Acceleration values (+/-) less than 1 Hz/s
• Acceleration values (+/-) greater than 1 Hz/ms
• Rounding-off values less than 10%
P106[%]
∙
+t
P102
100%
P106[%]
∙
+t
P103
100%
each
10 – 100% of P103
5 Parameter
Time
P103
143
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